TY  - BOOK
AU  - Meier, Ueli
AU  - Renish, Urs
ED  - 
TI  - New and renewable energies: some practical examples
U1  - 333.792.3 
PY  - 1981///
CY  - Dakar
PB  - ENDA
KW  - Energía Solar
KW  - Microcentrales Hidroeléctricas
KW  - Biogas
N1  - 02094; Micro - hydropower. Solar photovoltaics for water pumping. Fuel efficient cooking stoves. Solar water heating. Biogas from animal dung and other organic matter
ER  -